Under the iTunes in the Cloud section, click Manage Devices. (If you haven't associated any devices with your Apple ID, you won't see the Manage Devices section.) Information about each associated device appears. Next to each device, you can see when it associated with your Apple ID.
The real reason why the burp smells so badly is hydrogen sulfide (H2S). If you eat foods that have sulfur proteins in them then you may find yourself burping the H2S, which will smell like rotten eggs. The sulfur reducing microbes in the intestine digest the proteins and release the gas.
Foods that cause sulfur burps. Since sulfur burp may result due to certain food it is beneficial to understand what food may cause such eggy burps. There are several edible items which are blamed to cause the condition.hese are not all but some foods that may cause sulfur burps. But you should understand that not always these foods can cause such burps. It is only when you consume any of these in excessive amount or improper quality you may suffer from smelly burp.